Is this teaser text grammatical? Filipinos in a grammar sub are divided.

This is grammatical if there was a previous period in which people were encouraged to guess who it was going to be, then after the reveal “Guessed who just moved in?” is a perfectly valid way to phrase “Did you correctly guess who just moved in?” I don’t know anything about this show and whether there was a previous period of guessing, but my instinct would have been that this is a typo, but now I’m not sure about that because they also included a question mark at the end “Guess who just moved in” Is not a question, but a command, so accidentally putting the verb in the past tense AND including the question mark seems unlikely unless the copywriter really had no idea what they were writing

It could be. It is accepted shorthand for “[Have you] guessed who just moved in?” It’s slangy and you couldn’t write it in an academic paper, but you could say it in a casual context.

Depends. What's the context?  Did they tell you to make a guess in the past and are following up to see if you've made a guess yet?  If so, it's valid. You're allowed to skip the "have you?" at the beginning.  If they're commanding you you guess, then they need to spell it as "guess" and put a period. 

It's not. This is more a typo rather than it being a grammar issue. Something can be grammatically incorrect, but still fine to use. In this case they just used the wrong word. Grammar is less important than a typo error.

Regardless of what anyone else is saying, I was completely confused by this and I think this may not be ungrammatical to some people, but it is entirely ungrammatical to my southern US dialect

“Guess who just moved in?” Followed by the answer [the people who moved in] is a rhetorical question and is completely grammatically fine, not sure why people are saying it’s not

technically yes, but it’s against the spirit of the rules.

No, it should be "guess."

It's correct...but i hate it. It's short for "have you guessed who just moved in" My answer is no. I didn't knkw i was supposed to be guessing. Who are you? Why are you asking? Get off my lawn.

the verb is correct but the question is a fragment.

Grammatical but a bit confusing because it's so similar to the very common construction "Guess who just moved in!"

For those who want an example of when “Guessed who?” might be used in conversation. Imagine an acquaintance recommends you a murder mystery novel/tv show. This acquaintance is really excited to finally have someone who they can talk to about this story. So they may ask you frequently, “So… have you guessed who did it yet?” If they ask you every time they see you, then they can start dropping parts of the question since you know what they’re asking about. “Guessed who did it yet?” “Guessed who did it?” “Guessed who yet?” “Guessed yet?” “Guessed?” (Only if they’re really annoying) And now you find yourself questioning whether you’ll continue talking to them after going through this. Basically, it’s done when the speaker is being lazy and therefore as some redditors have pointed out isn’t the most appropriate in this situation. For a teaser text, it would be better to use “have you guessed…?” or “can you guess…?” instead of “guessed…?” Takeaway: Could it be used and be correct? Yes Is it the best or the most appropriate choice for this situation? Nope, not at all

There’s literally nothing wrong with this. It’s leaning more towards casual conversation type of speaking but there is nothing wrong with this

I think the sentence stands out primarily just because “guess who” is such a strong collocation. It simply feels strange to see “guessed” there; it's incredibly unexpected, and doesn't read natutally here at all. My verdict is that the sentence is technically grammatical if there's context, but using it as a tagline for a show like this sounds horrible... so it’s leaning back around to being wrong. This isn't even mentioning that these types of rhetorical questions (with participle forms) posed to a viewer always sound like a commercial. ("Read any good books lately? We haven't either! And that's why we've invented BlahBlah...")

It’s technically correct, but within the context “guessed who just moved in” is not what any native speaker would say or assume. It is far more likely that someone would ask say “guess who just moved in.” Especially as teaser text, it would be very strange for it to be “guessed”

Vaguely (and I'm trying to be super vague) North American English speaker here, I think it would only work if the context was that us as the audience were given something like a challenge to guess who these people were going to be. Like others have pointed out, the words "have you" might have been omitted to sound more hip and cool. The only other option I can think of is that it was meant as a question like "guess what?"

You could argue that it's correct but at the end of the day it's clumsy.

I should be ‘guess’ instead of ‘guessed’, and I don’t think you would put a question mark at the end of the first sentence.

I have two thoughts: “Guessed who just moved in?” in this specific context is ungrammatical. There’re times English colloquially drops pronouns, and this isn’t one of them. You also never use sentences beginning with the phrase “guess who” in the past tense. It’s a set phrase. My second is maybe they got “guessed” and “guest” mixed up. It’s a bit of a stretch, but just a thought, either because the person writing this got them mixed up, or, sadly, AI detected it wrong.

Guess* Social*